final def==(arg0: Any): Boolean

Creates an Def.Initialize with value scala.None if there was no previous definition of this key,
and scala.Some(value) if a definition exists.

Creates an Def.Initialize with value scala.None if there was no previous definition of this key,
and scala.Some(value) if a definition exists. Useful for when you want to use the existence of
one setting in order to define another setting.

returns

currently bound value wrapped in Initialize[Some[T]], or Initialize[None] if unbound.